Two numbers X and Y are given by X - 2 -5 and Y - 2-7- Then prime factorization of X - Y is

X = 2 ×5, which is a prime factorization of 10. Y = 2 ×7, which is nbsp; a prime factorization of 14. Prime factorisation of X· Y = 10 × nbsp;14 nbsp; ...

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Standard IV

Mathematics

Prime Factorization

Two numbers X...

Question

Two numbers $X$ and $Y$ are given by $X = 2 \times 5$ and $Y = 2 \times 7.$ Then prime factorization of $X \cdot Y$ is

4 \times 35

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4 \times 5 \times 7

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2^{2} \times 5 \times 7

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Solution

The correct option is C $2^{2} \times 5 \times 7$
$X = 2 \times 5$ , which is a prime factorization of 10.
$Y = 2 \times 7$ , which is a prime factorization of 14.
Prime factorisation of $X \cdot Y$ $=$ 10 × 14
$= 140 = 2^{2} \times 5 \times 7$

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Two numbers X and Y are given by X=2×5 and Y=2×7. Then prime factorization of X⋅Y is

The correct option is C 22×5×7X=2×5, which is a prime factorization of 10. Y=2×7, which is a prime factorization of 14. Prime factorisation of X⋅Y = 10 × 14 =140=22×5×7

Two numbers $X$ and $Y$ are given by $X = 2 \times 5$ and $Y = 2 \times 7.$ Then prime factorization of $X \cdot Y$ is

The correct option is C $2^{2} \times 5 \times 7$
$X = 2 \times 5$ , which is a prime factorization of 10.
$Y = 2 \times 7$ , which is a prime factorization of 14.
Prime factorisation of $X \cdot Y$ $=$ 10 × 14
$= 140 = 2^{2} \times 5 \times 7$